JP2020056813A - 光スイッチング素子 - Google Patents
光スイッチング素子 Download PDFInfo
- Publication number
- JP2020056813A JP2020056813A JP2018185093A JP2018185093A JP2020056813A JP 2020056813 A JP2020056813 A JP 2020056813A JP 2018185093 A JP2018185093 A JP 2018185093A JP 2018185093 A JP2018185093 A JP 2018185093A JP 2020056813 A JP2020056813 A JP 2020056813A
- Authority
- JP
- Japan
- Prior art keywords
- film
- reflection
- dielectric
- optical switching
- switching element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 42
- 239000000758 substrate Substances 0.000 claims abstract description 44
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 26
- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000010030 laminating Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 abstract description 5
- 238000003475 lamination Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 149
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 43
- 235000012239 silicon dioxide Nutrition 0.000 description 20
- 239000000377 silicon dioxide Substances 0.000 description 20
- 229910052681 coesite Inorganic materials 0.000 description 19
- 229910052906 cristobalite Inorganic materials 0.000 description 19
- 229910052682 stishovite Inorganic materials 0.000 description 19
- 229910052905 tridymite Inorganic materials 0.000 description 19
- 229910052581 Si3N4 Inorganic materials 0.000 description 10
- 239000003566 sealing material Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 7
- 239000010409 thin film Substances 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000002310 reflectometry Methods 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 239000012788 optical film Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 238000013041 optical simulation Methods 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
- G02F1/31—Digital deflection, i.e. optical switching
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
- G02F2201/123—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/34—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 reflector
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
Description
本発明の実施形態 にかかる光スイッチング素子について説明する。
10 駆動基板
14 画素電極
15 画素ブロック
16 画素領域
17 増反射膜
18 外周領域
20 透明基板
21 対向電極
30 液晶層
31 液晶
40 シール領域
41 液晶注入部
42 シール材
43 スペーサ材
50 封止材
GP 間隙
SL 信号光
L1 増反射膜の第1層目
L2 増反射膜の第2層目
λ0 信号光の狙いの波長
λc 信号光帯域の中間波長
Claims (3)
- 複数の画素電極を含む画素領域と前記画素領域の外部に配置される外周領域と、
シール領域と、
を有する駆動基板と、
対向電極を有する透明基板とを有し、
前記駆動基板と前記透明基板とで液晶層を狭持し、
前記画素領域と前記外周領域と前記シール領域の上面に、屈折率の異なる2つの誘電体膜を1組とし、
前記誘電体膜が1組以上積層してなる増反射膜が配置され、
前記増反射膜を構成する第1層目の前記誘電体膜は他の誘電体膜と異なる厚み であることを特徴とする光スイッチング素子。 - 前記反射膜を構成する第1層目の前記誘電体膜を除き、
同じ屈折率の前記誘電体膜の厚みは同じであることを特徴とする請求項1に記載の光スイッチング素子。 - 前記増反射膜を構成する第1層目の前記誘電体膜は平坦化処理が行われていることを特徴とする請求項1、請求項2に記載の光スイッチング素子。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018185093A JP7131265B2 (ja) | 2018-09-28 | 2018-09-28 | 光スイッチング素子 |
US16/585,466 US10866483B2 (en) | 2018-09-28 | 2019-09-27 | Optical switching device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018185093A JP7131265B2 (ja) | 2018-09-28 | 2018-09-28 | 光スイッチング素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020056813A true JP2020056813A (ja) | 2020-04-09 |
JP7131265B2 JP7131265B2 (ja) | 2022-09-06 |
Family
ID=69945808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018185093A Active JP7131265B2 (ja) | 2018-09-28 | 2018-09-28 | 光スイッチング素子 |
Country Status (2)
Country | Link |
---|---|
US (1) | US10866483B2 (ja) |
JP (1) | JP7131265B2 (ja) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03107818A (ja) * | 1989-09-21 | 1991-05-08 | Seiko Instr Inc | 光書込み型液晶ライトバルブ |
JPH09189923A (ja) * | 1996-01-11 | 1997-07-22 | Nippon Avionics Co Ltd | 液晶ライトバルブ |
JPH11326953A (ja) * | 1998-05-16 | 1999-11-26 | Semiconductor Energy Lab Co Ltd | 液晶表示装置およびその作製方法 |
JP2003295217A (ja) * | 2002-04-01 | 2003-10-15 | Citizen Watch Co Ltd | 液晶装置 |
JP2005156717A (ja) * | 2003-11-21 | 2005-06-16 | Sony Corp | 液晶表示素子及び液晶表示装置 |
CN1696777A (zh) * | 2004-05-12 | 2005-11-16 | 鸿富锦精密工业(深圳)有限公司 | 液晶显示装置 |
JP2007293243A (ja) * | 2005-08-24 | 2007-11-08 | Victor Co Of Japan Ltd | 液晶表示装置及びその製造方法 |
JP2008250220A (ja) * | 2007-03-30 | 2008-10-16 | Hamamatsu Photonics Kk | 反射型光変調装置 |
US20140009731A1 (en) * | 2012-07-09 | 2014-01-09 | Michael O'Callaghan | Methods and apparatus for high fill factor and high optical efficiency pixel architecture |
JP2014092692A (ja) * | 2012-11-05 | 2014-05-19 | Seiko Epson Corp | 液晶装置、及び電子機器 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW525020B (en) * | 2001-07-27 | 2003-03-21 | Chi Mei Optoelectronics Corp | Liquid crystal display |
JP2003131220A (ja) * | 2001-10-24 | 2003-05-08 | Seiko Epson Corp | 液晶表示装置および電子機器 |
JP4432056B2 (ja) | 2006-12-26 | 2010-03-17 | 日本ビクター株式会社 | 液晶表示素子及びこの液晶表示素子を用いた液晶表示装置 |
US10890700B2 (en) * | 2018-09-24 | 2021-01-12 | Apple Inc. | Electronic devices having infrared-transparent antireflection coatings |
-
2018
- 2018-09-28 JP JP2018185093A patent/JP7131265B2/ja active Active
-
2019
- 2019-09-27 US US16/585,466 patent/US10866483B2/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03107818A (ja) * | 1989-09-21 | 1991-05-08 | Seiko Instr Inc | 光書込み型液晶ライトバルブ |
JPH09189923A (ja) * | 1996-01-11 | 1997-07-22 | Nippon Avionics Co Ltd | 液晶ライトバルブ |
JPH11326953A (ja) * | 1998-05-16 | 1999-11-26 | Semiconductor Energy Lab Co Ltd | 液晶表示装置およびその作製方法 |
JP2003295217A (ja) * | 2002-04-01 | 2003-10-15 | Citizen Watch Co Ltd | 液晶装置 |
JP2005156717A (ja) * | 2003-11-21 | 2005-06-16 | Sony Corp | 液晶表示素子及び液晶表示装置 |
CN1696777A (zh) * | 2004-05-12 | 2005-11-16 | 鸿富锦精密工业(深圳)有限公司 | 液晶显示装置 |
JP2007293243A (ja) * | 2005-08-24 | 2007-11-08 | Victor Co Of Japan Ltd | 液晶表示装置及びその製造方法 |
JP2008250220A (ja) * | 2007-03-30 | 2008-10-16 | Hamamatsu Photonics Kk | 反射型光変調装置 |
US20140009731A1 (en) * | 2012-07-09 | 2014-01-09 | Michael O'Callaghan | Methods and apparatus for high fill factor and high optical efficiency pixel architecture |
JP2014092692A (ja) * | 2012-11-05 | 2014-05-19 | Seiko Epson Corp | 液晶装置、及び電子機器 |
Non-Patent Citations (1)
Title |
---|
ZHU, X. ET AL.: ""Transflective liquid crystal displays"", JOURNAL OF DISPLAY TECHNOLOGY, vol. 1, no. 1, JPN7021005185, 2005, US, pages 15 - 29, XP011138056, ISSN: 0004766075, DOI: 10.1109/JDT.2005.858885 * |
Also Published As
Publication number | Publication date |
---|---|
US20200103724A1 (en) | 2020-04-02 |
US10866483B2 (en) | 2020-12-15 |
JP7131265B2 (ja) | 2022-09-06 |
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